added TimeCoverstion::tmToPtime()

livesupport/modules/core/include/LiveSupport/Core/TimeConversion.h

@@ -22,7 +22,7 @@
  
  
     Author   : $Author: maroy $
-    Version  : $Revision: 1.2 $
+    Version  : $Revision: 1.3 $
     Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/core/include/LiveSupport/Core/TimeConversion.h,v $
 
 ------------------------------------------------------------------------------*/
@@ -71,7 +71,7 @@ using namespace LiveSupport;
  *  A helper object holding static time conversion functions.
  *
  *  @author  $Author: maroy $
- *  @version $Revision: 1.2 $
+ *  @version $Revision: 1.3 $
  */
 class TimeConversion
 {
@@ -95,6 +95,16 @@ class TimeConversion
         static Ptr<ptime>::Ref
         timevalToPtime(const struct timeval *timeval)           throw ();
 
+        /**
+         *  Convert a struct tm to a boost::posix_time::ptime,
+         *  with second precision.
+         *
+         *  @param time the struct tm to convert.
+         *  @return a boost::posix_time::ptime, holding the same time.
+         */
+        static Ptr<ptime>::Ref
+        tmToPtime(const struct tm *time)                        throw ();
+
         /**
          *  Return the current time, with microsecond precision.
          *

livesupport/modules/core/src/TimeConversion.cxx

@@ -22,7 +22,7 @@
  
  
     Author   : $Author: maroy $
-    Version  : $Revision: 1.3 $
+    Version  : $Revision: 1.4 $
     Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/core/src/TimeConversion.cxx,v $
 
 ------------------------------------------------------------------------------*/
@@ -75,6 +75,26 @@ TimeConversion :: timevalToPtime(const struct timeval *timeval)
 }
 
 
+/*------------------------------------------------------------------------------
+ *  Convert a struct tm to a boost::ptime
+ *----------------------------------------------------------------------------*/
+Ptr<ptime>::Ref
+TimeConversion :: tmToPtime(const struct tm *time)
+                                                                    throw ()
+{
+    // don't convert through the boost::posix_time::from_time_t() function
+    // as probably because of timezone settings it ruins the actual value
+    Ptr<ptime>::Ref pTime(new ptime(date(1900 + time->tm_year,
+                                         1 + time->tm_mon,
+                                         time->tm_mday),
+                                    time_duration(time->tm_hour,
+                                                  time->tm_min,
+                                                  time->tm_sec)));
+
+    return pTime;
+}
+
+
 /*------------------------------------------------------------------------------
  *  Return the current time.
  *----------------------------------------------------------------------------*/

livesupport/modules/core/src/TimeConversionTest.cxx

@@ -22,7 +22,7 @@
  
  
     Author   : $Author: maroy $
-    Version  : $Revision: 1.2 $
+    Version  : $Revision: 1.3 $
     Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/core/src/TimeConversionTest.cxx,v $
 
 ------------------------------------------------------------------------------*/
@@ -113,6 +113,36 @@ TimeConversionTest :: timevalToPtimeTest(void)
 }
 
 
+/*------------------------------------------------------------------------------
+ *  Test the tmToPtime function
+ *----------------------------------------------------------------------------*/
+void
+TimeConversionTest :: tmToPtimeTest(void)
+                                                throw (CPPUNIT_NS::Exception)
+{
+    struct tm       tm;
+    Ptr<ptime>::Ref ptime;
+
+    // first create a time_t with the time for 2004-11-04 12:58:30
+    tm.tm_year   = 104;     // number of years since 1900, 104 means 2004
+    tm.tm_mon    = 10;      // number of months since January, 10 means November
+    tm.tm_mday   = 4;
+    tm.tm_hour   = 12;
+    tm.tm_min    = 58;
+    tm.tm_sec    = 30;
+    tm.tm_isdst  = 0;
+
+    // and now convert, and see if it is correct
+    ptime = TimeConversion::tmToPtime(&tm);
+    CPPUNIT_ASSERT(ptime->date().year() == 2004);
+    CPPUNIT_ASSERT(ptime->date().month() == 11);
+    CPPUNIT_ASSERT(ptime->date().day() == 4);
+    CPPUNIT_ASSERT(ptime->time_of_day().hours() == 12);
+    CPPUNIT_ASSERT(ptime->time_of_day().minutes() == 58);
+    CPPUNIT_ASSERT(ptime->time_of_day().seconds() == 30);
+}
+
+
 /*------------------------------------------------------------------------------
  *  Test the now function
  *----------------------------------------------------------------------------*/

livesupport/modules/core/src/TimeConversionTest.h

@@ -22,7 +22,7 @@
  
  
     Author   : $Author: maroy $
-    Version  : $Revision: 1.2 $
+    Version  : $Revision: 1.3 $
     Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/core/src/TimeConversionTest.h,v $
 
 ------------------------------------------------------------------------------*/
@@ -58,13 +58,14 @@ namespace Core {
  *  Unit test for the TimeConversion class.
  *
  *  @author  $Author: maroy $
- *  @version $Revision: 1.2 $
+ *  @version $Revision: 1.3 $
  *  @see TimeConversion
  */
 class TimeConversionTest : public CPPUNIT_NS::TestFixture
 {
     CPPUNIT_TEST_SUITE(TimeConversionTest);
     CPPUNIT_TEST(timevalToPtimeTest);
+    CPPUNIT_TEST(tmToPtimeTest);
     CPPUNIT_TEST(nowTest);
     CPPUNIT_TEST(sleepTest);
     CPPUNIT_TEST_SUITE_END();
@@ -79,6 +80,14 @@ class TimeConversionTest : public CPPUNIT_NS::TestFixture
         void
         timevalToPtimeTest(void)                throw (CPPUNIT_NS::Exception);
 
+        /**
+         *  Test conversion from struct tm to ptime
+         *
+         *  @exception CPPUNIT_NS::Exception on test failures.
+         */
+        void
+        tmToPtimeTest(void)                     throw (CPPUNIT_NS::Exception);
+
         /**
          *  Test the now function.
          *